This issue's cover: Principle figures in the history of the soil and weathering profiles are shown on the cover. Please see `Historical Development of Soil and Weathering Profile Concepts from Europe to the United States of America' by Tandarich et al. p. 335-346. Upper left, Albert Orth, {sim}1910, from Wittmack (1915); center, Pieter Muller's (1878) profile diagrams; upper right, Nathaniel Southgate Shaler, 1894, from Shaler (1909); center right, Charles F. Shaw, {sim}1925, courtesy of the Division of Ecosystem Science, University of California at Berkeley; lower right Charles E. Kellogg, {sim}1935, Soil Scientists Portrait Collections, Archive of Soil Science, Western Historical Manuscripts Collection, Columbia, MO; lower left, George F. Kay, 1917, courtesy of the Calvin Collection of the Geoscience Department, The University of Iowa, Iowa City, IA; Center left, Morris M. Leighton, 1934, courtesy of the Illinois State Geological Survey, Illinois Department of Natural Resources, Champaign, IL. The Cover was designed by John P. Tandarich in memory of his father, Paul Tandarich.